Interactive NWS Alert
Radar valid at 630 pm EDT, Mar 16th 2026

MDC031-VAC059-600-610-162230-
/O.NEW.KLWX.FA.W.0001.260316T1933Z-260316T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Montgomery MD-Fairfax VA-City of Fairfax VA-City of Falls Church
VA-
333 PM EDT Mon Mar 16 2026
...FLOOD WARNING IN EFFECT UNTIL 630 PM EDT THIS EVENING...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...Portions of central Maryland, including the following
county, Montgomery and northern Virginia, including the following
county, City of Fairfax, City of Falls Church and Fairfax.
* WHEN...Until 630 PM EDT.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Streams
continue to rise due to excess runoff from earlier rainfall.
Low-water crossings are inundated with water and may not be
passable.
* ADDITIONAL DETAILS...
- At 333 PM EDT, emergency management reported that increased
runoff combined with 1 to 2 inches of rain has led to
multiple reports of small stream flooding of roads along with
storm drain flooding along the I-495 south of the American
Legion bridge. Between 1 and 2 inches of rain have fallen.
- Additional rainfall amounts up to 0.5 inches are possible in
the warned area.
- Some locations that will experience flooding include...
Centreville... Rockville...
Bethesda... Reston...
Annandale... Fairfax...
Vienna... Falls Church...
Mantua... Pimmit Hills...
Mclean... American Legion Bridge...
Potomac... North Bethesda...
Burke... Oakton...
North Potomac... Chantilly...
Tysons Corner... Wolf Trap...
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Stay away or be swept away. River banks and culverts can become
unstable and unsafe.
&&
LAT...LON 3899 7708 3891 7717 3886 7718 3872 7734
3877 7740 3879 7743 3879 7744 3880 7745
3882 7747 3900 7731 3909 7721
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